At Iron Mountain we know that work, when done well, makes a positive impact for our customers, our employees, and our planet. That’s why we need smart, committed people to join us. Whether you’re looking to start your career or make a change, talk to us and see how you can elevate the power of your work at Iron Mountain.
We provide expert, sustainable solutions in records and information management, digital transformation services, data centers, asset lifecycle management, and fine art storage, handling, and logistics. We proudly partner every day with our 225,000 customers around the world to preserve their invaluable artifacts, extract more from their inventory, and protect their data privacy in innovative and socially responsible ways.
Are you curious about being part of our growth story while evolving your skills in a culture that will welcome your unique contributions? If so, let's start the conversation.
Iron Mountain is seeking a detail-oriented, highly skilled UK Payroll Administrator to join our EMEA Payroll team.
In this role, you will be responsible for overseeing and managing end-to-end UK payroll operations. You will ensure precise data preparation, validate calculations, collaborate closely with our external payroll vendor, and resolve employee queries while continuously driving process optimization and compliance.
What You'll Do (Responsibilities)
In this role, you will:
Payroll Operations & Delivery: Oversee, prepare, review, and execute accurate UK payroll processing. Timely prepare, validate, and submit data to our payroll vendor according to established schedules and payroll calendars.
Vendor & Stakeholder Collaboration: Partner with our external payroll vendor to monitor SLAs, manage payroll cycles, and support key initiatives such as annual processes, payrolling benefits, salary sacrifice schemes, and system setup.
Employee & Customer Support: Act as a key point of contact for employee compensation queries. Collaborate with internal and external Workforce Administration (WFA) teams via case management systems to resolve escalations and ensure high customer satisfaction.
Process Excellence & Automation: Continuously review, document, and refine existing payroll processes. Leverage advanced Excel/Google Sheets, formulas, and AI tools to drive process automation, data validation, and continuous improvement.
Service Metric & SLA Monitoring: Track case volumes, resolution metrics, and service level performance for both internal teams and external vendor partners.
Compliance & Governance: Strictly adhere to all applicable UK payroll regulations, tax laws, National Insurance (NI) standards, company policies, and our Code of Ethics and Business Conduct. Complete all mandatory compliance training on time.
What You'll Bring (Skills & Qualifications)
The ideal candidate will have:
3+ years of direct experience in Payroll Operations (in-house or vendor side).
In-Depth UK Payroll Expertise: Comprehensive technical knowledge of UK tax calculations, National Insurance (NI), salary sacrifice schemes, system and wagetype setup, and payroll project management.
System & Tech Proficiency: Hands-on experience with core HRIS (preferably Workday) and case management platforms (ideally ServiceNow).
Advanced Technical Skills: Strong capability in Excel / Google Sheets formulas, along with a forward-thinking approach to using AI adaptation to enhance automation, data validation, and accuracy.
Analytical & Problem-Solving Capabilities: Proven track record in root-cause analysis, conflict resolution, customer-interfacing communications, and thriving under pressure.
Adaptability & Collaboration: Demonstrated ability to build strong partnerships across cross-functional teams and comfortably shift priorities to meet evolving business needs.
What We Offer (Benefits)
Location: Remote (Poland, Hungary, Romania).
Competitive Compensation: Market-aligned salary and benefits package tailored to experience.
Paid Time Off: Generous paid leave and statutory holiday coverage.
Work-Life Balance: Flexible work-from-home / remote environment options.
Health & Wellness: Comprehensive healthcare, wellness programs, and retirement plans.
Growth & Development: Ongoing learning opportunities and career advancement within a global organization.
Ready to Make an Impact? Apply Today!
Join us in shaping the future of global payroll. If you are an expert in UK payroll with a passion for process optimization, automation, and delivering exceptional service, we want to hear from you!
Click "Apply Now" to submit your resume and take the next step in your career with Iron Mountain.
#LI-REMOTE
Category: Human ResourcesSkills Required
- 3+ years direct experience in Payroll Operations (in-house or vendor)
- Comprehensive technical knowledge of UK tax calculations, National Insurance, salary sacrifice schemes
- Hands-on experience with core HRIS (preferably Workday)
- Experience with case management platforms (ideally ServiceNow)
- Advanced Excel / Google Sheets formulas and data manipulation skills
- Experience applying AI tools to automate payroll processes and data validation
- Vendor management experience and managing payroll cycles, SLAs, and annual payroll processes
- Strong analytical, root-cause analysis, and customer-facing communication skills
- Ability to adhere to UK payroll compliance, tax laws, and complete mandatory compliance training
- Located in Poland, Hungary, or Romania (remote)
Iron Mountain Compensation & Benefits Highlights
The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Iron Mountain and has not been reviewed or approved by Iron Mountain.
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Inclusive Benefits Coverage — Inclusive, modern offerings are emphasized, including support for mental health, gender‑affirming care (with travel/lodging where needed), and family‑planning benefits. Recognition for disability inclusion is also highlighted, which aligns with accessible benefits and leave support.
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Retirement Support — A formal 401(k) program is described with automatic enrollment and a clear employer match structure, with immediate vesting referenced in the materials. Access to supporting infrastructure and guidance is noted through dedicated benefits portals and administrators.
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Healthcare Strength — Multiple national medical plan options are outlined, along with care navigation, virtual primary care, and pharmacy coverage. Additional wellbeing support is described via EAP services and structured wellbeing programming.
Iron Mountain Insights
What We Do
Iron Mountain Incorporated (NYSE: IRM) is the global leader for storage and information management services. Trusted by more than 220,000 organizations around the world, Iron Mountain boasts a real estate network of more than 80 million square feet across more than 1,350 facilities in 45 countries dedicated to protecting and preserving what matters most for its customers. Iron Mountain’s solutions portfolio includes records management, data management, document management, data centers, art storage and logistics, and secure shredding help organizations to lower storage costs, comply with regulations, recover from disaster, and better use their information. Founded in 1951, Iron Mountain stores and protects billions of information assets, including critical business documents, electronic information, medical data and cultural and historical artifacts.
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